Wooden Lever Kit (Demonstration Balance) (Each) A741164 Includes an extra pair of

Includes an extra pair of ear tips and a replacement diaphragm cover

but the addition of the F# and Bb notes expand the available range a little more

Chair includes foot ring and is available in a range of colours

Introducing the Sontronics STC-3X packThe Sontronics STC-3X pack is an all in one package that guarantees professional

explanations and time scales on both the evolution of man and earth

Wooden Lever Kit (Demonstration Balance) (Each) A741164 Includes an extra pair ofMade of wood, one meter long graduated scale is balanced on knife edge of the fulcrum. Supplied with 2 sets of 100 g weights. One meter long with fulcrum lever is graduated in centimeters and is balanced on the fulcrum by a transverse groove cut midway in the length of the lever over knife edge of the fulcrum, supplied with 2 sets of 100 g weights.